Buggy code:
public class TypeUtils { static final Logger LOGGER = Logger . getLogger ( TypeUtils . class . getPackage ( ) . getName ( ) ) ; public static Class < ? > getRawType ( Type aType ) { } public static Class < ? > getBaseClass ( Type aType ) { if ( aType == null ) { return null ; } if ( aType instanceof CustomType ) { return ( ( CustomType ) ( aType ) ) . getBaseClass ( ) ; } if ( TypeUtils . isResolved ( aType ) ) { if ( aType instanceof Class ) { return ( ( Class ) ( aType ) ) ; } else if ( aType instanceof ParameterizedType ) { Type rawType = ( ( ParameterizedType ) ( aType ) ) . getRawType ( ) ; if ( rawType instanceof Class ) { return ( ( Class ) ( rawType ) ) ; } TypeUtils . LOGGER . warning ( ( ( ( "Not<seq2seq4repair_space>handled:<seq2seq4repair_space>" + aType ) + "<seq2seq4repair_space>of<seq2seq4repair_space>" ) + ( aType . getClass ( ) . getName ( ) ) ) ) ; return null ; } else if ( aType instanceof GenericArrayType ) { Type componentType = ( ( GenericArrayType ) ( aType ) ) . getGenericComponentType ( ) ; return TypeUtils . getBaseClass ( componentType ) ; } else { TypeUtils . LOGGER . warning ( ( ( ( "Not<seq2seq4repair_space>handled:<seq2seq4repair_space>" + aType ) + "<seq2seq4repair_space>of<seq2seq4repair_space>" ) + ( aType . getClass ( ) . getName ( ) ) ) ) ; return null ; } } if ( aType instanceof WildcardType ) { Type [ ] upperBounds = ( ( WildcardType ) ( aType ) ) . getUpperBounds ( ) ; <START_BUG> if ( upperBounds == null ) { <END_BUG> return Object . class ; } if ( ( upperBounds . length ) > 0 ) { return TypeUtils . getBaseClass ( upperBounds [ 0 ] ) ; } } if ( aType instanceof TypeVariable ) { TypeVariable tv = ( ( TypeVariable ) ( aType ) ) ; StringBuffer upperBounds = new StringBuffer ( ) ; boolean isFirst = true ; for ( Type upperBound : tv . getBounds ( ) ) { upperBounds . append ( ( ( isFirst ? "" : "," ) + ( upperBound . toString ( ) ) ) ) ; isFirst = false ; } if ( ( tv . getBounds ( ) . length ) > 0 ) { return TypeUtils . getBaseClass ( tv . getBounds ( ) [ 0 ] ) ; } else { return Object . class ; } } TypeUtils . LOGGER . warning ( ( "Not<seq2seq4repair_space>handled:<seq2seq4repair_space>" + ( aType . getClass ( ) . getName ( ) ) ) ) ; return null ; } public static boolean isClassAncestorOf ( Class < ? > parentClass , Class < ? > childClass ) { } public static Class toPrimitive ( Class < ? > aClass ) { } public static Class fromPrimitive ( Class < ? > aClass ) { } public static boolean isPrimitive ( @ Nullable Type type ) { } public static boolean isWrapperClass ( @ Nullable Class < ? > klass ) { } public static boolean isDouble ( Type type ) { } public static boolean isFloat ( Type type ) { } public static boolean isInteger ( Type type ) { } public static boolean isLong ( Type type ) { } public static boolean isObject ( Type type ) { } public static boolean isFile ( Type type ) { } public static boolean isShort ( Type type ) { } public static boolean isString ( Type type ) { } public static boolean isVoid ( Type type ) { } public static boolean isBoolean ( Type type ) { } public static boolean isByte ( Type type ) { } public static boolean isChar ( Type type ) { } public static EvaluationType kindOfType ( Type type ) { } public static boolean isAssignableTo ( Object object , Type type ) { } public static boolean isAssignableTo ( Collection < ? extends Object > objects , Type type ) { } public static boolean isTypeAssignableFrom ( Type aType , Type anOtherType ) { } public static boolean isTypeAssignableFrom ( Type aType , Type anOtherType , boolean permissive ) { } public static String simpleRepresentation ( Type aType ) { } public static String fullQualifiedRepresentation ( Type aType ) { } public static boolean isResolved ( Type type ) { } public static boolean isPureWildCard ( Type type ) { } public static boolean isGeneric ( Type type ) { } public static Type makeInferedType ( Type aType ) { } public static Type makeInstantiatedType ( Type type , Type context ) { } public static Type getSuperType ( Type type ) { } public static Type getSuperInterfaceType ( Type type , Class searchedSuperType ) { } public static Type [ ] getSuperInterfaceTypes ( Type type ) { } public static Object castTo ( Object object , Type desiredType ) { } public static Class < ? > getMostSpecializedClass ( Collection < Class < ? > > someClasses ) { } public static < T > T objectForClass ( Class < ? > aClass , Map < Class < ? > , T > storedObjectForClasses ) { } public static < T > T objectForClass ( Class < ? > aClass , Map < Class < ? > , T > storedObjectForClasses , boolean storeResultInMap ) { } private static int distance ( Class c1 , Class c2 ) { } public static Map < TypeVariable < ? > , Type > getTypeArguments ( Type type , Class < ? > rawType ) { } public static Type getTypeArgument ( Type type , Class < ? > rawType , int index ) { } }

Fix:
if ( ( upperBounds == null ) || ( ( upperBounds . length ) == 0 ) ) {